黄金凭证
黄金凭证-
在20世纪70年代之前，这一原则在多数经济学家的眼中一定是荒谬而怪诞的。在此之前的2500年中，跨境接受的货币通常都是黄金，或是可以兑换黄金的凭证。
Such a tenet would have been considered monstrous by most of the economics profession up until the last three decades of the 20th century , prior to which money accepted across borders had generally been gold , or claims on gold , for about 2,500 years .